21077229

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14251}}^1$

素因数の和:14300

約数の個数: 16

約数和(自身を含む): 30784320

約数和(自身を除く): 9707091

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14251, 42753, 242267, 413279, 726801, 1239837, 7025743, 21077229]

約数ペア:

[(1, 21077229), (3, 7025743), (17, 1239837), (29, 726801), (51, 413279), (87, 242267), (493, 42753), (1479, 14251)]